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9 natural numbers. 4/9 are prime. (this ryhmes)

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Alex Carroll

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3y ago

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Write the natural numbers 1to15 what fraction of them are prime numbers what fraction of them are the composite number?

2/5 are prime, 8/15 are composite (and 1/15 is neither).


Can a natural number be a prime number?

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Is 40 out of 103 a prime number?

40 out of 103 is a fraction. Prime numbers are whole numbers. A fraction cannot be a prime number, so 40 out of 103 is not a prime number.


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What natural number is not a prime nor a compound number?

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Is every prime number a rational number?

Yes. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.


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A prime number is a natural number that has no natural number as a factor other than itself or 1. An irrational number is not a natural number, so an irrational number can't be prime.


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